Pioneer Suepr Tuner III DEH-P7200, Service Manual

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DEH-P720,P7200
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Pin Functions (PD5536A)
Pin No. Pin Name I/O Format Function and Operation
1 VSSO GND
2 SFR I CPU SFR input
3–10 DB7-0 I/O CPU data bus input / output 7-0
11 NPC I Non-precharge mode set input
12 VDDI Power supply
13 VSSI GND
14 SHUNT I Non-luminescence section anode shunt set input
15 TIO0 O C Frame period signal output
16 TIO1 O C Frame period inversion signal output
17 CKC O C Cathode drive clock output
18 LS O C Line sync signal output
19 CKA O C Anode drive clock output
20 D2 O C Anode serial data output (Upper bit)
21 D1 O C Anode serial data output (Lower bit)
22 CKD O C Anode serial transfer clock output
23 NC Not used
24 VDDO Power supply
25 VSSO GND
26 NC Not used
27–30 TEST0-3 I Test mode input 0-3
31–35 TESTL0-4 I Panel indication test mode brightness set input 0-4
36 VDDI Power supply
37 VSSI GND
38 BCLK I CPU bus clock signal input
39 CE1B I CPU chip enable input 1
40 CE2 I CPU chip enable input 2
41 RDB I CPU read strobe input
42 WRB I CPU write strobe input
43 RSTB I Reset
44–47 CRST3-0 I Cathode reset section set input 3-0
48 VDDO Power supply
*PD5536A
12
13
24
25 36
37
48
1